XML 65 R48.htm IDEA: XBRL DOCUMENT
v3.22.0.1

STORAGE PROPERTIES - Activity (Details) $ / shares in Units, $ in Thousands |  |  | 12 Months Ended
--- | --- | --- | ---
Dec. 09, 2021 facility item $ / shares shares | Jun. 06, 2019 USD ($) facility property | Dec. 31, 2021 USD ($) facility | Dec. 31, 2020 USD ($) facility | Dec. 31, 2019 USD ($) facility
HVP III |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Number of Facilities, acquisitions (in properties) | property |  | 18 |  |  |
Percentage of interest acquired |  | 90.00% |  |  |
2021 Acquisitions |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Number of Facilities, acquisitions (in properties) |  |  | 66 |  |
Purchase Price | $ |  |  | $ 1,801,251 |  |
2021 Acquisitions | Minnesota Asset April 2021 |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Number of Facilities, acquisitions (in properties) |  |  | 1 |  |
Purchase Price | $ |  |  | $ 12,000 |  |
Ownership interest held by the entity (as a percent) |  |  | 50.00% |  |
2021 Acquisitions | Maryland Asset June 2021 |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Number of Facilities, acquisitions (in properties) |  |  | 1 |  |
Purchase Price | $ |  |  | $ 22,075 |  |
2021 Acquisitions | New Jersey and Pennsylvania Assets July 2021 |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Number of Facilities, acquisitions (in properties) |  |  | 2 |  |
Purchase Price | $ |  |  | $ 33,000 |  |
2021 Acquisitions | Florida Asset November 2021 |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Number of Facilities, acquisitions (in properties) |  |  | 1 |  |
Purchase Price | $ |  |  | $ 14,750 |  |
2021 Acquisitions | Georgia Asset November 2021 |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Number of Facilities, acquisitions (in properties) |  |  | 1 |  |
Purchase Price | $ |  |  | $ 15,200 |  |
2021 Acquisitions | Pennsylvania Asset November 2021 |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Number of Facilities, acquisitions (in properties) |  |  | 1 |  |
Purchase Price | $ |  |  | $ 24,500 |  |
2021 Acquisitions | Nevada Asset December 2021 |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Number of Facilities, acquisitions (in properties) |  |  | 1 |  |
Purchase Price | $ |  |  | $ 21,000 |  |
2021 Acquisitions | Storage West Assets December 2021 |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Number of Facilities, acquisitions (in properties) |  |  | 57 |  |
Purchase Price | $ |  |  | $ 1,648,426 |  |
2021 Acquisitions | Illinois Asset December 2021 |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Number of Facilities, acquisitions (in properties) |  |  | 1 |  |
Purchase Price | $ |  |  | $ 10,300 |  |
2021 Dispositions |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Number of Facilities, dispositions (in properties) |  |  | 5 |  |
Sale Price | $ |  |  | $ 43,800 |  |
2021 Dispositions | Colorado and Nevada Assets September 2021 |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Number of Facilities, dispositions (in properties) |  |  | 2 |  |
Sale Price | $ |  |  | $ 16,900 |  |
2021 Dispositions | North Carolina Assets September 2021 |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Number of Facilities, dispositions (in properties) |  |  | 2 |  |
Sale Price | $ |  |  | $ 21,700 |  |
2021 Dispositions | Texas Asset November 2021 |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Number of Facilities, dispositions (in properties) |  |  | 1 |  |
Sale Price | $ |  |  | $ 5,200 |  |
2020 Acquisitions |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Number of Facilities, acquisitions (in properties) |  |  |  | 21 |
Purchase Price | $ |  |  |  | $ 735,875 |
2020 Acquisitions | Texas Asset February 2020 |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Number of Facilities, acquisitions (in properties) |  |  |  | 1 |
Purchase Price | $ |  |  |  | $ 9,025 |
2020 Acquisitions | Maryland Asset April 2020 |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Number of Facilities, acquisitions (in properties) |  |  |  | 1 |
Purchase Price | $ |  |  |  | $ 17,200 |
2020 Acquisitions | New Jersey Asset April 2020 |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Number of Facilities, acquisitions (in properties) |  |  |  | 1 |
Purchase Price | $ |  |  |  | $ 48,450 |
2020 Acquisitions | Florida Asset November 2020 |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Number of Facilities, acquisitions (in properties) |  |  |  | 1 |
Purchase Price | $ |  |  |  | $ 3,900 |
2020 Acquisitions | Texas Asset, Austin, November 2020 |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Number of Facilities, acquisitions (in properties) |  |  |  | 1 |
Purchase Price | $ |  |  |  | $ 10,750 |
2020 Acquisitions | Texas Asset, Dallas, November 2020 |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Number of Facilities, acquisitions (in properties) |  |  |  | 1 |
Purchase Price | $ |  |  |  | $ 10,150 |
2020 Acquisitions | Nevada Asset December 2020 |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Number of Facilities, acquisitions (in properties) |  |  |  | 1 |
Purchase Price | $ |  |  |  | $ 16,800 |
2020 Acquisitions | New York Asset December 2020 |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Number of Facilities, acquisitions (in properties) |  |  |  | 1 |
Purchase Price | $ |  |  |  | $ 6,750 |
2020 Acquisitions | Storage Deluxe Assets December 2020 |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Number of Facilities, acquisitions (in properties) |  |  |  | 8 |
Purchase Price | $ |  |  |  | $ 540,000 |
2020 Acquisitions | Florida Asset, Orlando, December 2020 |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Number of Facilities, acquisitions (in properties) |  |  |  | 3 |
Purchase Price | $ |  |  |  | $ 45,500 |
2020 Acquisitions | Florida Assets, Tampa, December 2020 |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Number of Facilities, acquisitions (in properties) |  |  |  | 1 |
Purchase Price | $ |  |  |  | $ 10,000 |
2020 Acquisitions | Virginia Asset December 2020 |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Number of Facilities, acquisitions (in properties) |  |  |  | 1 |
Purchase Price | $ |  |  |  | $ 17,350 |
2020 Dispositions |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Number of Facilities, dispositions (in properties) |  |  |  | 1 |
Sale Price | $ |  |  |  | $ 12,750 |
2020 Dispositions | New York Asset Four Member |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Number of Facilities, dispositions (in properties) |  |  |  | 1 |
Sale Price | $ |  |  |  | $ 12,750 |
2019 Acquisitions |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Number of Facilities, acquisitions (in properties) |  |  |  |  | 29
Purchase Price | $ |  |  |  |  | $ 246,600
2019 Acquisitions | Maryland Asset March 2019 |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Number of Facilities, acquisitions (in properties) |  |  |  |  | 1
Purchase Price | $ |  |  |  |  | $ 22,000
2019 Acquisitions | Florida Assets April 2019 |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Number of Facilities, acquisitions (in properties) |  |  |  |  | 2
Purchase Price | $ |  |  |  |  | $ 19,000
2019 Acquisitions | Arizona Asset May 2019 |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Number of Facilities, acquisitions (in properties) |  |  |  |  | 1
Purchase Price | $ |  |  |  |  | $ 1,550
2019 Acquisitions | HVP III Assets June 2019 |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Number of Facilities, acquisitions (in properties) |  |  |  |  | 18
Purchase Price | $ |  |  |  |  | $ 128,250
2019 Acquisitions | Georgia Asset August 2019 |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Number of Facilities, acquisitions (in properties) |  |  |  |  | 1
Purchase Price | $ |  |  |  |  | $ 14,600
2019 Acquisitions | South Carolina Asset August 2019 |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Number of Facilities, acquisitions (in properties) |  |  |  |  | 1
Purchase Price | $ |  |  |  |  | $ 3,300
2019 Acquisitions | Texas Asset October 2019 |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Number of Facilities, acquisitions (in properties) |  |  |  |  | 1
Purchase Price | $ |  |  |  |  | $ 7,300
2019 Acquisitions | Florida Assets November 2019 |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Number of Facilities, acquisitions (in properties) |  |  |  |  | 3
Purchase Price | $ |  |  |  |  | $ 32,100
2019 Acquisitions | California Asset December 2019 |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Number of Facilities, acquisitions (in properties) |  |  |  |  | 1
Purchase Price | $ |  |  |  |  | $ 18,500
2019 Acquisitions | HVP III |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Number of Facilities, acquisitions (in properties) |  | 18 |  |  |
Purchase Price | $ |  | $ 128,300 |  |  |
Percentage of interest acquired |  | 90.00% |  |  |
2019 Dispositions |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Number of Facilities, dispositions (in properties) |  |  |  |  | 1
Sale Price | $ |  |  |  |  | $ 4,146
2019 Dispositions | Texas Asset Nineteen Member |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Number of Facilities, dispositions (in properties) |  |  |  |  | 1
Sale Price | $ |  |  |  |  | $ 4,146
LAACO | 2021 Acquisitions |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Number of Facilities, acquisitions (in properties) | 57 |  |  |  |
Outstanding partnership unit purchased (in shares) | shares | 167,557 |  |  |  |
Partnership units (dollars per share) | $ / shares | $ 9,838 |  |  |  |
Number of joint ventures | item | 2 |  |  |  |
LAACO | 2021 Acquisitions | Acquisitions |  |  |  |  |
STORAGE FACILITIES |  |  |  |  |
Percentage of interest acquired | 50.00% |  |  |  |
Ownership interest held by the entity (as a percent) | 50.00% |  |  |  |

X
- Definition The number of partnership units acquired from acquiree in asset acquisition. + References No definition available. + Details
Name: | cube_AssetAcquisitionPartnershipUnitsAcquired
Namespace Prefix: | cube_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Price of a single unit paid or offered to be paid in a asset acquisition. + References No definition available. + Details
Name: | cube_AssetAcquisitionUnitPrice
Namespace Prefix: | cube_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the number of real estate properties sold attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period. + References No definition available. + Details
Name: | cube_DisposalGroupIncludingDiscontinuedOperationsNumberOfRealEstatePropertiesSold
Namespace Prefix: | cube_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the information pertaining to number of joint ventures. + References No definition available. + Details
Name: | cube_NumberOfJointVentures
Namespace Prefix: | cube_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the number of real estate properties that were acquired. + References No definition available. + Details
Name: | cube_NumberOfRealEstatePropertiesAcquired
Namespace Prefix: | cube_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
Name: | us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3179-108585 + Details
Name: | us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_RealEstatePropertiesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 5A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=123419778&loc=SL6759159-111685 + Details
Name: | us-gaap_VariableInterestEntityOwnershipPercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=cube_HVPThreeVentureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=cube_RealEstateAcquisitions2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cube_ScheduleOfRealEstateInvestmentPropertyAxis=cube_MinnesotaAssetApril2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cube_ScheduleOfRealEstateInvestmentPropertyAxis=cube_MarylandAssetJune2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cube_ScheduleOfRealEstateInvestmentPropertyAxis=cube_NewJerseyAndPennsylvaniaAssetsJuly2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cube_ScheduleOfRealEstateInvestmentPropertyAxis=cube_FloridaAssetNovember2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cube_ScheduleOfRealEstateInvestmentPropertyAxis=cube_GeorgiaAssetNovember2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cube_ScheduleOfRealEstateInvestmentPropertyAxis=cube_PennsylvaniaAssetNovember2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cube_ScheduleOfRealEstateInvestmentPropertyAxis=cube_NevadaAssetDecember2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cube_ScheduleOfRealEstateInvestmentPropertyAxis=cube_StorageWestAssetsDecember2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cube_ScheduleOfRealEstateInvestmentPropertyAxis=cube_IllinoisAssetDecember2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=cube_Dispositions2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cube_ScheduleOfRealEstateInvestmentPropertyAxis=cube_ColoradoAndNevadaAssetsSeptember2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cube_ScheduleOfRealEstateInvestmentPropertyAxis=cube_NorthCarolinaAssetsSeptember2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cube_ScheduleOfRealEstateInvestmentPropertyAxis=cube_TexasAssetNovember2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=cube_RealEstateAcquisitions2020Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cube_ScheduleOfRealEstateInvestmentPropertyAxis=cube_TexasAssetFebruary2020Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cube_ScheduleOfRealEstateInvestmentPropertyAxis=cube_MarylandAssetApril2020Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cube_ScheduleOfRealEstateInvestmentPropertyAxis=cube_NewJerseyAssetApril2020Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cube_ScheduleOfRealEstateInvestmentPropertyAxis=cube_FloridaAssetNovember2020Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cube_ScheduleOfRealEstateInvestmentPropertyAxis=cube_TexasAssetAustinNovember2020Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cube_ScheduleOfRealEstateInvestmentPropertyAxis=cube_TexasAssetDallasNovember2020Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cube_ScheduleOfRealEstateInvestmentPropertyAxis=cube_NevadaAssetDecember2020Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cube_ScheduleOfRealEstateInvestmentPropertyAxis=cube_NewYorkAssetDecember2020Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cube_ScheduleOfRealEstateInvestmentPropertyAxis=cube_StorageDeluxeAssetsDecember2020Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cube_ScheduleOfRealEstateInvestmentPropertyAxis=cube_FloridaOrlandoAssetsDecember2020Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cube_ScheduleOfRealEstateInvestmentPropertyAxis=cube_FloridaTampaAssetsDecember2020Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cube_ScheduleOfRealEstateInvestmentPropertyAxis=cube_VirginiaAssetDecember2020Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=cube_Dispositions2020Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cube_ScheduleOfRealEstateInvestmentPropertyAxis=cube_NewYorkAssetFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=cube_RealEstateAcquisitions2019Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cube_ScheduleOfRealEstateInvestmentPropertyAxis=cube_MarylandAssetMarch2019Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cube_ScheduleOfRealEstateInvestmentPropertyAxis=cube_FloridaAssetsApril2019Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cube_ScheduleOfRealEstateInvestmentPropertyAxis=cube_ArizonaAssetMay2019Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cube_ScheduleOfRealEstateInvestmentPropertyAxis=cube_HvpIiiAssetsJune2019Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cube_ScheduleOfRealEstateInvestmentPropertyAxis=cube_GeorgiaAssetAugust2019Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cube_ScheduleOfRealEstateInvestmentPropertyAxis=cube_SouthCarolinaAssetAugust2019Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cube_ScheduleOfRealEstateInvestmentPropertyAxis=cube_TexasAssetOctober2019Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cube_ScheduleOfRealEstateInvestmentPropertyAxis=cube_FloridaAssetsNovember2019Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cube_ScheduleOfRealEstateInvestmentPropertyAxis=cube_CaliforniaAssetDecember2019Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=cube_Dispositions2019Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cube_ScheduleOfRealEstateInvestmentPropertyAxis=cube_TexasAssetNineteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AssetAcquisitionAxis=cube_LaacoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |